CN107179447A - Connecting device for internal spline motor and dynamometer and electromagnetic compatibility testing method - Google Patents
Connecting device for internal spline motor and dynamometer and electromagnetic compatibility testing method Download PDFInfo
- Publication number
- CN107179447A CN107179447A CN201710453600.7A CN201710453600A CN107179447A CN 107179447 A CN107179447 A CN 107179447A CN 201710453600 A CN201710453600 A CN 201710453600A CN 107179447 A CN107179447 A CN 107179447A
- Authority
- CN
- China
- Prior art keywords
- internal spline
- attachment means
- dynamometer machine
- connect base
- spline motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Of Engines (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a connecting device of an internal spline motor and a dynamometer and an electromagnetic compatibility testing method. The connecting device of the internal spline motor and the dynamometer can improve the running stability of the internal spline motor under a loading working condition and can axially restrain and radially support the transmission shaft, so that an electric drive system can perform an electromagnetic compatibility test at a higher rotating speed and a higher torque, and the actual working condition of the whole vehicle can be better simulated to meet the standard requirement.
Description
Technical field
The invention belongs to electromagnetic compatibility test field, band load is carried out more particularly, to a kind of power drive system of electric automobile
Internal spline motor and dynamometer machine attachment means and electromagnetic compatible testing method during EMC test.
Background technology
Electric drive dynamical system is the core electrical system of electric automobile, due to including high-power electric and electronic in the system
Device, therefore be also main electromagnetic radiation harassing and wrecking source, the certification of vehicle electromagnetic compatibility test is frequently resulted in more than constitutional law restrictions
Value is required.
It is domestic at the early-stage in terms of electric automobile electromagnetic compatibility, with the development of electric automobile market, more and more
The supporting motor export structure of new model uses internal spline form, is coordinated with reduction box or engine.This type
Motor can not be realized by simple shaft coupling and is connected with the precision optical machinery of dynamometer machine.Axiality, positioning precision, axial constraint
Deficiency causes the EMC test of such internal spline motor, can only be carried out under compared with the slow-speed of revolution, moment of torsion operating mode, under high rotating speed
Too high vibrations so that the motor life-span itself subtracts the safety that also have impact on experimentation greatly, it is impossible to meet simulation vehicle full power row
Sail the test request of operating mode.The reason for producing this problem is：Internal spline motor can not be to axially entering after being connected with dynamometer machine
Row constraint, it is higher to add requirement of the longer power transmission shaft to positioning precision, causes the severe shocks under high rotating speed.
The content of the invention
In view of this, the present invention is directed to propose a kind of internal spline motor and dynamometer machine attachment means and electromagnetic compatibility test side
Method, can only be compared with the slow-speed of revolution, moment of torsion operating mode during solving using existing shaft coupling to the EMC test of internal spline motor
It is lower to carry out, the too high vibrations under high rotating speed so that the motor life-span itself subtracts the safety that also have impact on experimentation greatly, it is impossible to meet
The problems such as simulating the test request of vehicle full power driving cycle.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of internal spline motor and dynamometer machine attachment means, including connect base and be connected with connect base by bearing
Coupling Shaft, the Coupling Shaft is provided with internal spline close to one end of connect base.
Further, the connect base is provided with end cap, the bearing be located at the end cap and the connect base it
Between.
Further, through hole is provided with the middle part of the end cap, the internal diameter of the through hole is more than the external diameter of Coupling Shaft.
Further, the connect base is detachably connected with the end cap.
Further, the bearing, which is provided between two, two bearings, is provided with axle sleeve.
Further, the Coupling Shaft is provided with two bearing snap springs, and the bearing is located between two bearing snap springs.
Further, the first cushion space is provided between the connect base bottom and the Coupling Shaft.
Further, the second cushion space is provided between the connect base and the axle sleeve.
Further, the connect base is that flange or the connect base are provided with connecting hole.
Relative to prior art, internal spline motor of the present invention has the advantage that with dynamometer machine attachment means：
Internal spline motor of the present invention can improve internal spline motor under loading condition with dynamometer machine attachment means
Operation stability, can carry out axial constraint and radial support to power transmission shaft so that power drive system can higher rotating speed,
EMC test is carried out under moment of torsion, preferably simulation vehicle actual condition meets standard requirement.
A kind of power drive system of electric automobile carries out electromagnetic compatible testing method when band carries EMC test, including such as
Lower step：
S1：Internal spline motor to be measured is fixed on the fixed support of dynamometer machine by mounting disc；
S2：The output shaft of internal spline motor to be measured is connected with the above-mentioned internal spline motor stated with dynamometer machine using splined shaft
The internal spline of device is connected, and attachment means are fixed in mounting disc by connect base；
S3：The Coupling Shaft of attachment means is attached by the power transmission shaft of shaft coupling and dynamometer machine；
S4：Start measurement of power machine testing.
There is usefulness this detection method one should also have for above-mentioned internal spline motor and dynamometer machine attachment means, herein not
Repeat one by one.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the internal spline motor described in the embodiment of the present invention and the main structure diagram of dynamometer machine attachment means；
Fig. 2 be in Fig. 1 A-A to schematic diagram；
Internal spline motor and the overlooking the structure diagram of dynamometer machine attachment means described in Fig. 3 embodiment of the present invention；
Fig. 4 is the internal spline motor described in the embodiment of the present invention and the dimensional structure diagram of dynamometer machine attachment means；
Fig. 5 is the machine being connected to internal spline motor to be measured by internal spline motor and dynamometer machine attachment means on dynamometer machine
Structure schematic diagram.
Description of reference numerals：
1- Coupling Shafts；2- end caps；3- bearing snap springs；4- bearings；5- axle sleeves；The cushion spaces of 6- first；7- internal splines；8- connects
Connect base；The cushion spaces of 9- second；11- internal spline motors to be measured；12- mounting discs；13- fixed supports；14- attachment means；15-
Shaft coupling；16- power transmission shafts；17- dynamometer machines.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As Figure 1-4, a kind of internal spline motor and dynamometer machine attachment means, including connect base 8 and with connect base 8
The Coupling Shaft 1 connected by bearing 4, Coupling Shaft 1 is provided with internal spline 7 close to one end of connect base 8.Coupling Shaft 1 in this example
The setting that one end away from connect base 8 is provided with internal spline 7 in external splines, Coupling Shaft 1 can facilitate internal spline motor and this
Attachment means are connected, and now switch to common external splines motor equivalent to by internal spline motor, and then realize the precision with dynamometer machine
Mechanically connect.
Connect base 8 is provided with end cap 2, and bearing 4 is located between end cap 2 and connect base 8.The setting of end cap 2 can be real
Now to the axial constraint of Coupling Shaft 1.
The middle part of end cap 2 is provided with through hole, and the internal diameter of through hole is more than the external diameter of Coupling Shaft 1.
Connect base 8 is detachably connected with end cap 2.Connect base 8 is connected with end cap 2 by bolt, screw or pin.
Bearing 4, which is provided between two, two bearings 4, is provided with axle sleeve 5.
Coupling Shaft 1 is located between two bearing snap springs 3 provided with two bearing snap springs 3, bearing 4.Axle sleeve 5 and bearing snap spring
3 setting can be realized further to the axial constraint of Coupling Shaft 1, and the setting of two bearings 4 can realize the footpath to Coupling Shaft 1
To support.
The first cushion space 6 is provided between the bottom of connect base 8 and Coupling Shaft 1.
The second cushion space 9 is provided between connect base 8 and axle sleeve 5.
Connect base 8 is that flange or connect base 8 are provided with connecting hole.
A kind of power drive system of electric automobile carries out electromagnetic compatible testing method when band carries EMC test, including such as
Lower step：
S1：Internal spline motor 11 to be measured is fixed on the fixed support 13 of dynamometer machine 17 by mounting disc 12；
S2：The output shaft of internal spline motor 11 to be measured and the above-mentioned internal spline motor stated are connected with dynamometer machine using splined shaft
The internal spline 7 of connection device 14 is connected, and attachment means 14 are fixed in mounting disc 12 by connect base 8；
S3：The Coupling Shaft 1 of attachment means 14 is attached by the power transmission shaft 16 of shaft coupling 15 and dynamometer machine 17；
S4：Start dynamometer machine 17 to detect.
Wherein mounting disc 12, shaft coupling 15, dynamometer machine 17 are existing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of internal spline motor and dynamometer machine attachment means, it is characterised in that：Including connect base (8) and and connect base
(8) Coupling Shaft (1) connected by bearing (4), the Coupling Shaft (1) is provided with internal spline close to one end of connect base (8)
(7)。
2. internal spline motor according to claim 1 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) end cap (2) is provided with, the bearing (4) is located between the end cap (2) and the connect base (8).
3. internal spline motor according to claim 2 and dynamometer machine attachment means, it is characterised in that：In the end cap (2)
Portion is provided with through hole, and the internal diameter of the through hole is more than the external diameter of Coupling Shaft (1).
4. internal spline motor according to claim 2 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) it is detachably connected with the end cap (2).
5. internal spline motor according to claim 4 and dynamometer machine attachment means, it is characterised in that：The bearing (4) sets
Have and axle sleeve (5) is provided between two, two bearings (4).
6. internal spline motor according to claim 5 and dynamometer machine attachment means, it is characterised in that：The Coupling Shaft (1)
Provided with two bearing snap springs (3), the bearing (4) is located between two bearing snap springs (3).
7. internal spline motor according to claim 5 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) the first cushion space (6) is provided between bottom and the Coupling Shaft (1).
8. internal spline motor according to claim 7 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) the second cushion space (9) is provided between the axle sleeve (5).
9. internal spline motor according to claim 5 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) it is that flange or the connect base (8) are provided with connecting hole.
10. a kind of power drive system of electric automobile carries out electromagnetic compatible testing method, its feature when band carries EMC test
It is：Comprise the following steps：
S1：Internal spline motor (11) to be measured is fixed on the fixed support of dynamometer machine (17) (13) by mounting disc (12)；
S2：Use internal spline of the splined shaft by the output shaft of internal spline motor (11) to be measured and described in claim any one of 1-9
Motor is connected with the internal spline (7) of dynamometer machine attachment means (14), and attachment means (14) are fixed on by connect base (8)
In mounting disc (12)；
S3：The Coupling Shaft (1) of attachment means (14) is connected by the power transmission shaft (16) of shaft coupling (15) and dynamometer machine (17)
Connect；
S4：Start dynamometer machine (17) detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453600.7A CN107179447A (en) | 2017-06-15 | 2017-06-15 | Connecting device for internal spline motor and dynamometer and electromagnetic compatibility testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453600.7A CN107179447A (en) | 2017-06-15 | 2017-06-15 | Connecting device for internal spline motor and dynamometer and electromagnetic compatibility testing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107179447A true CN107179447A (en) | 2017-09-19 |
Family
ID=59836645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453600.7A Pending CN107179447A (en) | 2017-06-15 | 2017-06-15 | Connecting device for internal spline motor and dynamometer and electromagnetic compatibility testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107179447A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982920A (en) * | 2018-07-13 | 2018-12-11 | 徐州帝意电子有限公司 | A kind of portable electromechanical testing conversion axis mechanism |
| CN113176498A (en) * | 2021-03-24 | 2021-07-27 | 柯马(上海)工程有限公司 | Dynamometer main shaft floating mechanism |
| CN114544055A (en) * | 2021-12-29 | 2022-05-27 | 江苏兰菱机电科技有限公司 | High-power hysteresis dynamometer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201508394U (en) * | 2009-09-29 | 2010-06-16 | 上海机动车检测中心 | Electromagnetism compatibility test connection system for driving motor mounted at shaft end of electric automobile |
| CN206002669U (en) * | 2016-08-30 | 2017-03-08 | 东风汽车公司 | A kind of auxiliary mould of motor test |
-
2017
- 2017-06-15 CN CN201710453600.7A patent/CN107179447A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201508394U (en) * | 2009-09-29 | 2010-06-16 | 上海机动车检测中心 | Electromagnetism compatibility test connection system for driving motor mounted at shaft end of electric automobile |
| CN206002669U (en) * | 2016-08-30 | 2017-03-08 | 东风汽车公司 | A kind of auxiliary mould of motor test |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982920A (en) * | 2018-07-13 | 2018-12-11 | 徐州帝意电子有限公司 | A kind of portable electromechanical testing conversion axis mechanism |
| CN113176498A (en) * | 2021-03-24 | 2021-07-27 | 柯马(上海)工程有限公司 | Dynamometer main shaft floating mechanism |
| CN113176498B (en) * | 2021-03-24 | 2023-05-23 | 柯马(上海)工程有限公司 | Main shaft floating mechanism of dynamometer |
| CN114544055A (en) * | 2021-12-29 | 2022-05-27 | 江苏兰菱机电科技有限公司 | High-power hysteresis dynamometer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170919 |